Ashlar Stone Mason
まちいしづみこう
Industry & Occupation
Classification
Summary
A craftsman who uses ashlar stones to stack for slopes or retaining walls, performing adjustments and polishing to construct stable structures.
Description
Ashlar stone masons mainly cut and polish ashlar stones used for riverbank or road slope protection, retaining walls, and garden stone arrangements, shape them appropriately, and stack them. They calculate the weight and friction of stones, adjust gaps between stones using joint mortar or dry methods, and perform structurally stable construction. They handle everything from stone splitting, adjustment, installation, and finishing work before construction, and are also required to have skills such as operating heavy machinery and crane slinging. This is a specialized profession that combines traditional techniques with site-specific construction conditions to ensure long-term durability.
Future Outlook
With increasing demand from aging infrastructure and disaster prevention projects, demand for stone stacking technicians remains stable. Challenges include preserving traditional techniques and enhancing safety management.
Personality Traits
Work Style
On-site Work / Outdoor Work / Seasonal Fluctuations / Teamwork
Career Path
Apprentice → Craftsman (Technician) → Site Supervisor → Independent/Entrepreneur
Required Skills
Marking Out / Slinging Skills / Small Crane Operation / Stone Cutting and Polishing Technique
Recommended Skills
CAD Drawing Reading / Concrete Mortar Application / Dry Stone Walling Method / Safety and Health Knowledge
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because it is necessary to strictly adjust gaps between stones and levels. |
| Physical Stamina & Endurance | High physical stamina is required due to handling heavy stones for long periods. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Mainly work based on instructions, with little need for original idea generation. |
| Numerical & Quantitative Analysis | Involves simple measurements of distances and elevations, with little complex mathematical analysis. |
Related Qualifications
- Slinging Skills Training
- Small Mobile Crane Operation Skills Training
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